build.zig                                     |    3 +
 lib/std/RingBuffer.zig                        |  136 ++
 lib/std/compress.zig                          |    2 +
 lib/std/compress/testdata/rfc8478.txt         | 3027 ++++++++++++++++++++++++++++++++
 lib/std/compress/testdata/rfc8478.txt.zst.19  |  Bin 0 -> 22211 bytes
 lib/std/compress/testdata/rfc8478.txt.zst.3   |  Bin 0 -> 25639 bytes
 lib/std/compress/zstandard.zig                |  286 +++
 lib/std/compress/zstandard/decode/block.zig   | 1149 ++++++++++++
 lib/std/compress/zstandard/decode/fse.zig     |  153 ++
 lib/std/compress/zstandard/decode/huffman.zig |  234 +++
 lib/std/compress/zstandard/decompress.zig     |  636 +++++++
 lib/std/compress/zstandard/readers.zig        |   82 +
 lib/std/compress/zstandard/types.zig          |  401 +++++
 lib/std/hash.zig                              |    5 +
 lib/std/hash/xxhash.zig                       |  268 +++
 lib/std/std.zig                               |    1 +
 16 files changed, 6383 insertions(+)